Part A: Examine the statistics generated for items (questions) from a CAS 310 Exam. Explain how each of the statistics is calculated and what they tell us about each question: Numeric | 1 points possible What is the numerical value (number) for the score associated with "b" on the curve? 0.73 0.61 Difficulty Index Discrimination Index Multiple Choice | 2 points possible The director of your early childhood program has asked you to administer a developmental screening instrument in your classroom. You do not have experience with developmental screening, and you have never 0.25 0.11 seen the chosen test before. The director encourages you to read the test manual carefully and then try out Difficulty Index Discrimination Index the test with a few children in your classroom. You consider the guidelines outlined by The Standards for Educational and Psychological Testing and the Code of Fair Testing Practices in Education. What domain would apply BEST to this scenario